Lakes / Alaska / North Slope County / Sinclair Lake
Sinclair Lake, Alaska
9,228 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
71.00 degrees N, 154.79 degrees W - North Slope County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Sinclair Lake Stacks Up
- Larger than 97% of the 2,450 lakes counted in Alaska.
- About 463 miles from Fairbanks, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Pittalukruak Lake | North Slope | 18 mi | 8,708 acres |
| Reindeer Lake | North Slope | 22 mi | 2,904 acres |
| Imakruak Lake | North Slope | 23 mi | 1,181 acres |
| Naluakruk Lake | North Slope | 30 mi | 9,231 acres |
| Lake Tusikvoak | North Slope | 30 mi | 8,831 acres |
| Sisgravik Lake | North Slope | 32 mi | 5,019 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Sinclair Lake
How Big Is Sinclair Lake?
Sinclair Lake covers 9,228 acres in North Slope County, Alaska.
What Is the Largest Lake in North Slope County?
Teshekpuk Lake is the largest lake in North Slope County, at 206,614 acres.
Largest Lakes in Alaska
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Iliamna Lake | Lake and Peninsula | 654,518 acres | - |
| 2 | Becharof Lake | Lake and Peninsula | 289,706 acres | - |
| 3 | Teshekpuk Lake | North Slope | 206,614 acres | - |
| 4 | Naknek Lake | Lake and Peninsula | 145,357 acres | - |
| 5 | Dall Lake | Bethel | 111,681 acres | - |
All 2,450 Alaska lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 125822168). Verified October 30, 2026.